#!/usr/bin/env bash

# gstack-builder-profile — read builder profile and output structured summary

#

# Reads ~/.gstack/builder-profile.jsonl (append-only session log from /office-hours).

# Outputs KEY: VALUE pairs for the template to consume. Computes tier, accumulated

# signals, cross-project detection, nudge eligibility, and resource dedup.

#

# Single source of truth for all closing state. No separate config keys or logs.

#

# Exit 0 with defaults if no profile exists (first-time user = introduction tier).

set -euo pipefail

GSTACK_HOME="${GSTACK_HOME:-$HOME/.gstack}"

PROFILE_FILE="$GSTACK_HOME/builder-profile.jsonl"

# Graceful default: no profile = introduction tier

if [ ! -f "$PROFILE_FILE" ] || [ ! -s "$PROFILE_FILE" ]; then

echo "SESSION_COUNT: 0"

echo "TIER: introduction"

echo "LAST_PROJECT:"

echo "LAST_ASSIGNMENT:"

echo "LAST_DESIGN_TITLE:"

echo "DESIGN_COUNT: 0"

echo "DESIGN_TITLES: []"

echo "ACCUMULATED_SIGNALS:"

echo "TOTAL_SIGNAL_COUNT: 0"

echo "CROSS_PROJECT: false"

echo "NUDGE_ELIGIBLE: false"

echo "RESOURCES_SHOWN:"

echo "RESOURCES_SHOWN_COUNT: 0"

echo "TOPICS:"

exit 0

fi

# Use bun for JSON parsing (same pattern as gstack-learnings-search).

# Fallback to defaults if bun is unavailable.

cat "$PROFILE_FILE" 2>/dev/null | bun -e "

const lines = (await Bun.stdin.text()).trim().split('\n').filter(Boolean);

const entries = [];

for (const line of lines) {

try { entries.push(JSON.parse(line)); } catch {}

}

const count = entries.length;

// Tier computation

let tier = 'introduction';

if (count >= 8) tier = 'inner_circle';

else if (count >= 4) tier = 'regular';

else if (count >= 1) tier = 'welcome_back';

// Last session data

const last = entries[count - 1] || {};

const prev = entries[count - 2] || {};

const crossProject = prev.project_slug && last.project_slug

? prev.project_slug !== last.project_slug

: false;

// Design docs

const designs = entries

.map(e => e.design_doc || '')

.filter(Boolean);

const designTitles = entries

.map(e => {

const doc = e.design_doc || '';

// Extract title from path: ...-design-DATETIME.md -> use the entry's topic or project

return doc ? (e.project_slug || 'unknown') : '';

})

.filter(Boolean);

// Accumulated signals

const signalCounts = {};

let totalSignals = 0;

for (const e of entries) {

for (const s of (e.signals || [])) {

signalCounts[s] = (signalCounts[s] || 0) + 1;

totalSignals++;

}

}

const signalStr = Object.entries(signalCounts)

.map(([k, v]) => k + ':' + v)

.join(',');

// Nudge eligibility: builder-mode + 5+ signals across 3+ sessions

const builderSessions = entries.filter(e => e.mode !== 'startup').length;

const nudgeEligible = builderSessions >= 3 && totalSignals >= 5;

// Resources shown (aggregate all)

const allResources = new Set();

for (const e of entries) {

for (const url of (e.resources_shown || [])) {

allResources.add(url);

}

}

// Topics (aggregate all)

const allTopics = new Set();

for (const e of entries) {

for (const t of (e.topics || [])) {

allTopics.add(t);

}

}

console.log('SESSION_COUNT: ' + count);

console.log('TIER: ' + tier);

console.log('LAST_PROJECT: ' + (last.project_slug || ''));

console.log('LAST_ASSIGNMENT: ' + (last.assignment || ''));

console.log('LAST_DESIGN_TITLE: ' + (last.design_doc || ''));

console.log('DESIGN_COUNT: ' + designs.length);

console.log('DESIGN_TITLES: ' + JSON.stringify(designTitles));

console.log('ACCUMULATED_SIGNALS: ' + signalStr);

console.log('TOTAL_SIGNAL_COUNT: ' + totalSignals);

console.log('CROSS_PROJECT: ' + crossProject);

console.log('NUDGE_ELIGIBLE: ' + nudgeEligible);

console.log('RESOURCES_SHOWN: ' + Array.from(allResources).join(','));

console.log('RESOURCES_SHOWN_COUNT: ' + allResources.size);

console.log('TOPICS: ' + Array.from(allTopics).join(','));

" 2>/dev/null || {

# Fallback if bun is unavailable

echo "SESSION_COUNT: 0"

echo "TIER: introduction"

echo "LAST_PROJECT:"

echo "LAST_ASSIGNMENT:"

echo "LAST_DESIGN_TITLE:"

echo "DESIGN_COUNT: 0"

echo "DESIGN_TITLES: []"

echo "ACCUMULATED_SIGNALS:"

echo "TOTAL_SIGNAL_COUNT: 0"

echo "CROSS_PROJECT: false"

echo "NUDGE_ELIGIBLE: false"

echo "RESOURCES_SHOWN:"

echo "RESOURCES_SHOWN_COUNT: 0"

echo "TOPICS:"

}